How to block on asynchronous functions in JavaScript

Question

I need to write a function in JavaScript, which returns a state from calling an asynchronous function. However, the caller only receives the value and no callback function i

Answer 1

The best would be to put the logic you want to have called into the callback function. Is there any reason why you can't do that?

You could use setInterval to check on the result, but that requires a callback function, too...